Re: preparation for installation

"clarence chan" <[email protected]> Tue, 18 Jun 2002 09:59:04 +0800
Newsgroups gmane.os.openbsd.embedded
Message-ID <[email protected]>


>From: Chuck Yerkes <[email protected]>
>To: clarence chan <[email protected]>
>CC: [email protected]
>Subject: Re: preparation for installation
>Date: Mon, 17 Jun 2002 10:31:44 -0700
>
>I've been told, by an unreliable source, that the microdrive
>heats up after a few hours use.  The source had used it in
>a camera - quite a different environment.  I'll be testing it
>out, but if you all have experience....
>
>That said:
>   No, you don't want to write to CF too often.  But why do you
>need to?
>
>What writes?  Syslog?  Pish, off to another machine.  swap?
>er, don't swap.  Yeah, I'd love to find a single board computer
>with 512MB-1GB of RAM, 2 ethernet and a cf boot (and pccards?).
>Basically a 4501soekris with a low power CPU that can handle
>more RAM.  StrongARM would be neat, but I'd want the HiFn card
>supported for that.
>

I am not familiar with the technical Syslog to other machine.  Can you show 
the pointer to do it ?  For the swap, I had tried out the example of chris 
at http://dqc.org/~chris/ using MO instead of CF.  I noticed  that the last 
cylinder is use as swap with some technique using mfs. Did you try out the 
chris' example ?  If you did, can you explain this to me as I didn't fully 
understand the point (swap at the last cylinder). ?

>I have one soekris setup as a DHCP server doing DDNS to a real
>BIND9 server (primary zone on a real machine on the 'net) using
>TSIG.  No "scripting workarounds" that DJB is so fond of.
>

Sorry.  What is DJB ?  How can I update the IP provided by ISP each time 
when my machine is up to dyndns.org.  ipcheck works for so far for the disk 
(not CF one).

>I have a /var/mfs/ mounted (using mfs, obv) and have /var/run/
>and various files pointing into there.  I populate the area
>on startup for basic functionality.  I've written about it
>before, so hit the archives.
>
>The machine gets rebooted perhaps every month on bad months.
>It's been up 4 months at a time.  I do lose DHCP leases on a
>reboot, but in my environment (fairly small - serves home and
>neighbors), that's survivable (clients ask for old IP address,
>it gives it to them, even tho there is no lease).
>
>Quoting clarence chan ([email protected]):
> > I am plainning to install embsd-2.0 or OpenBSD-3.1 (limited packages by
> > myself) when my cf-ide adapter is ready.  At the moment, I am wonder if 
>CF
> > or micro-drive to be used for the system.  I had read a message that the 
>CF
> > will be easy destroyed with frequently read and write.  So I would like 
>to
> > request folks to share your experiece with me.
> >
> > I will use the system as firewall with following functions:
> >    - dynamic dns (ddclient)
> >    - web, dns, mail server re-direct. (ie accept requests and distribute
> > them to the appropriated server machines).
> >
> > Is embsd-2.0 suitable to handle the list jobs above.  For thhe ddclient, 
>I
> > can prepare it from other machine (OpenBSD-3.1-stable).




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